Use
Use as CO2 permanent test:
If, besides CO2, there are no other substances in the water which lower pH (e.g. peat, pH-lowering agents, nitrate), the CO2 content may be controlled via pH as a factor of carbonate hardness. This is why three colour fields on the CO2 colour scale show the correct colour value for optimal CO2 content for each of three different hardness ranges. +! means: CO2 too high, your fish may be at risk; -! means: CO2 too low, proper plant growth is no longer guaranteed.
Use as pH permanent test:
The actual pH value of the aquarium water resulting from the interaction of CO2 and carbonate hardness can be measured and monitored using the enclosed pH colour scale. However, this is only applicable if no other substances influencing pH levels are present in the water other than CO2 and carbonate hardness. High nitrate levels, the use of pH value reducers, pH value enhancers or filtering with peat etc. cause changes in the pH levels which cannot be registered by the permanent test. It is important, therefore, to check the quality of the aquarium water from time to time with JBL's wide range of tests.
Instructions
Fill the transparent cover of the unit with 1 ml of aquarium water (use the enclosed syringe) and add 3 drops of reagent. Plug the black base section together with the contrast ring and the seal (make sure of correct seat) onto the transparent cover (moisten the seal slightly, if necessary). Turn the whole unit upside down and attach carefully at any visible point inside the aquarium. Stick the appropriate colour scale on the outside of the aquarium near the unit. Carefully clean and refill the unit after each water change, at the latest every 14 days.
smik napísal:Já bych šel do JBL u toho vím, že jako roztok používá Bromothymolovou modř. Je nutné použít roztok o známé uhličitanové tvrdosti 4dKH, s použitím akvarijní vody je každý permanentní test na CO2 k ničemu.
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